Home / 106,945.11-160,327.44-67,415.04

Finding the Fourth Proportional to 106,945.11, 160,327.44 and 67,415.04

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Solution

The fourth proportional to 106,945.11, 160,327.44 and 67,415.04 is: 101,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.11 : 160,327.44 = 67,415.04 : x
  2. Step 2: Convert to fraction form
    106,945.11/160,327.44 = 67,415.04/x
  3. Step 3: Cross multiply
    106,945.11x = 160,327.44 × 67,415.04
  4. Step 4: Simplify right side
    106,945.11x = 10,808,480,780.70
  5. Step 5: Solve for x
    x = 10,808,480,780.70/106,945.11
  6. Step 6: Final answer
    x = 101,065.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.